View Compilation Error

0_0_30262857_20318.cpp: In function 'bool Miller_Rabin(long long int)':
0_0_30262857_20318.cpp:117:19: error: 'S' was not declared in this scope
     for(int i=0;i<S;i++)
                   ^
0_0_30262857_20318.cpp: At global scope:
0_0_30262857_20318.cpp:145:1: error: expected declaration before '}' token
 }
 ^