View Compilation Error

0_0_21574808_13633.cpp: In function 'int main()':
0_0_21574808_13633.cpp:62:8: error: 'pr' was not declared in this scope
   else pr
        ^
0_0_21574808_13633.cpp:62:8: error: expected '}' at end of input
0_0_21574808_13633.cpp:62:8: error: expected '}' at end of input