{"raw_statement":[{"iden":"problem statement","content":"$N$ people, person $1$, person $2$, $\\ldots$, person $N$, are playing roulette. The outcome of a spin is one of the $37$ integers from $0$ to $36$. For each $i = 1, 2, \\ldots, N$, person $i$ has bet on $C_i$ of the $37$ possible outcomes: $A_{i, 1}, A_{i, 2}, \\ldots, A_{i, C_i}$.\nThe wheel has been spun, and the outcome is $X$. Print the numbers of all people who have bet on $X$ with the fewest bets, in **ascending order**.\nMore formally, print all integers $i$ between $1$ and $N$, inclusive, that satisfy both of the following conditions, in **ascending order**:\n\n*   Person $i$ has bet on $X$.\n*   For each $j = 1, 2, \\ldots, N$, if person $j$ has bet on $X$, then $C_i \\leq C_j$.\n\nNote that there may be no number to print (see Sample Input 2)."},{"iden":"constraints","content":"*   $1 \\leq N \\leq 100$\n*   $1 \\leq C_i \\leq 37$\n*   $0 \\leq A_{i, j} \\leq 36$\n*   $A_{i, 1}, A_{i, 2}, \\ldots, A_{i, C_i}$ are all different for each $i = 1, 2, \\ldots, N$.\n*   $0 \\leq X \\leq 36$\n*   All input values are integers."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$N$\n$C_1$\n$A_{1, 1}$ $A_{1, 2}$ $\\ldots$ $A_{1, C_1}$\n$C_2$\n$A_{2, 1}$ $A_{2, 2}$ $\\ldots$ $A_{2, C_2}$\n$\\vdots$\n$C_N$\n$A_{N, 1}$ $A_{N, 2}$ $\\ldots$ $A_{N, C_N}$\n$X$"},{"iden":"sample input 1","content":"4\n3\n7 19 20\n4\n4 19 24 0\n2\n26 10\n3\n19 31 24\n19"},{"iden":"sample output 1","content":"2\n1 4\n\nThe wheel has been spun, and the outcome is $19$. The people who has bet on $19$ are person $1$, person $2$, and person $4$, and the number of their bets are $3$, $4$, and $3$, respectively. Therefore, among the people who has bet on $19$, the ones with the fewest bets are person $1$ and person $4$."},{"iden":"sample input 2","content":"3\n1\n1\n1\n2\n1\n3\n0"},{"iden":"sample output 2","content":"0\n\nThe wheel has been spun and the outcome is $0$, but no one has bet on $0$, so there is no number to print."}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}