func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     char str1[10], str2[10], str3[10];     int flag1, flag2, flag3;     flag1 = 0;     flag2 = 0;     flag3 = 0;     cin >> str1 >> str2 >> str3;     if (strcmp(str1, str2) == 0) {       flag1 = 1;     } else if (strcmp(str2, str3) == 0) {       flag2 = 1;     } else if (strcmp(str3, str1) == 0) {       flag3 = 1;     }     if ((flag1 | flag2 | flag3) == 0) {       cout <<  ?  << endl;       return 0;     }     if ((flag1 & flag2 & flag3) == 1) {       cout <<  ?  << endl;       return 0;     }     if (flag1 == 1) {       if (strcmp(str3,  rock ) == 0) {         if (strcmp(str2,  scissors ) == 0) {           cout <<  S  << endl;           return 0;         }       }       if (strcmp(str3,  scissors ) == 0) {         if (strcmp(str2,  paper ) == 0) {           cout <<  S  << endl;           return 0;         }       }       if (strcmp(str3,  paper ) == 0) {         if (strcmp(str2,  rock ) == 0) {           cout <<  S  << endl;           return 0;         }       }     }     if (flag2 == 1) {       if (strcmp(str1,  rock ) == 0) {         if (strcmp(str2,  scissors ) == 0) {           cout <<  F  << endl;           return 0;         }       }       if (strcmp(str1,  scissors ) == 0) {         if (strcmp(str2,  paper ) == 0) {           cout <<  F  << endl;           return 0;         }       }       if (strcmp(str1,  paper ) == 0) {         if (strcmp(str2,  rock ) == 0) {           cout <<  F  << endl;           return 0;         }       }     }     if (flag3 == 1) {       if (strcmp(str2,  rock ) == 0) {         if (strcmp(str3,  scissors ) == 0) {           cout <<  M  << endl;           return 0;         }       }       if (strcmp(str2,  scissors ) == 0) {         if (strcmp(str3,  paper ) == 0) {           cout <<  M  << endl;           return 0;         }       }       if (strcmp(str2,  paper ) == 0) {         if (strcmp(str3,  rock ) == 0) {           cout <<  M  << endl;           return 0;         }       }     }     cout <<  ?  << endl;     return 0;   }   