View Compilation Error

0_0_36980371_29024.cpp: In function 'int main()':
0_0_36980371_29024.cpp:354:16: error: conflicting declaration 'BigInteger n'
     BigInteger n, m;
                ^
0_0_36980371_29024.cpp:353:8: note: previous declaration as 'll n'
     ll n, m;
        ^
0_0_36980371_29024.cpp:354:19: error: conflicting declaration 'BigInteger m'
     BigInteger n, m;
                   ^
0_0_36980371_29024.cpp:353:11: note: previous declaration as 'll m'
     ll n, m;
           ^