{"raw_statement":[{"iden":"problem statement","content":"Given integers $A$, $X$, and $M$, find $\\displaystyle \\sum_{i = 0}^{X-1} A^i$, modulo $M$."},{"iden":"constraints","content":"*   $1 \\leq A, M \\leq 10^9$\n*   $1 \\leq X \\leq 10^{12}$\n*   All values in the input are integers."},{"iden":"input","content":"The input is given from Standard Input in the following format:\n\n$A$ $X$ $M$"},{"iden":"sample input 1","content":"3 4 7"},{"iden":"sample output 1","content":"5\n\n$3^0 + 3^1 + 3^2 + 3^3 = 40$, which equals $5$ modulo $7$, so $5$ should be printed."},{"iden":"sample input 2","content":"8 10 9"},{"iden":"sample output 2","content":"0"},{"iden":"sample input 3","content":"1000000000 1000000000000 998244353"},{"iden":"sample output 3","content":"919667211"}],"translated_statement":null,"sample_group":[],"show_order":["default"],"formal_statement":null,"simple_statement":null,"has_page_source":true}