View Compilation Error

0_0_37962147_7533.cpp: In function 'int gcd(int, int)':
0_0_37962147_7533.cpp:5:1: error: 'reutrn' was not declared in this scope
 reutrn b ? gcd(b, a % b) : a;
 ^
0_0_37962147_7533.cpp: In function 'int main()':
0_0_37962147_7533.cpp:13:28: error: request for member 'm' in 'n', which is of non-class type 'int'
             if((n / gcd(n. m)) & 1) cout << "Stan wins.\n";
                            ^