View Compilation Error

0_0_29491336_21044.cpp: In function 'long long unsigned int gcd(long long unsigned int, long long unsigned int)':
0_0_29491336_21044.cpp:12:2: error: 'nbsp' was not declared in this scope
     return b==0?a:gcd(b,a%b);
  ^
0_0_29491336_21044.cpp: In function 'long long unsigned int mulmod(long long unsigned int, long long unsigned int, long long unsigned int)':
0_0_29491336_21044.cpp:17:2: error: 'nbsp' was not declared in this scope
     bignum cnt=0,temp=a;
  ^
0_0_29491336_21044.cpp: In function 'long long unsigned int powmod(long long unsigned int, long long unsigned int, long long unsigned int)':
0_0_29491336_21044.cpp:29:2: error: 'nbsp' was not declared in this scope
     bignum cnt=1,temp=a;
  ^
0_0_29491336_21044.cpp:29:34: error: expected '}' at end of input
     bignum cnt=1,temp=a;
                                  ^