View Compilation Error

0_0_29630285_31353.cpp: In function 'int main()':
0_0_29630285_31353.cpp:35:16: error: expected ')' before ';' token
   if(n==0||n==1;) printf("OK\n");
                ^
0_0_29630285_31353.cpp:35:17: error: expected primary-expression before ')' token
   if(n==0||n==1;) printf("OK\n");
                 ^
0_0_29630285_31353.cpp:36:3: error: 'else' without a previous 'if'
   else if(m==0)printf("UNCERTAIN\n");
   ^