View Compilation Error

0_0_27917569_8873.cpp: In function 'int main()':
0_0_27917569_8873.cpp:92:24: error: 's' was not declared in this scope
   mes(a, 0), mes(b, 0);s
                        ^
0_0_27917569_8873.cpp:93:16: error: 'i' was not declared in this scope
   for(int i=0; i<=m; i++) {
                ^