View Compilation Error

0_0_20911684_15934.cpp:11:3: error: stray '\241' in program
   while(scanf(“%I64d %I64d”,&n,&m)!=EOF&&(n||m)){
   ^
0_0_20911684_15934.cpp:11:3: error: stray '\260' in program
0_0_20911684_15934.cpp:11:3: error: stray '\241' in program
0_0_20911684_15934.cpp:11:3: error: stray '\261' in program
0_0_20911684_15934.cpp:13:5: error: stray '\241' in program
     printf(“%I64d\n”,f(n,m));}
     ^
0_0_20911684_15934.cpp:13:5: error: stray '\260' in program
0_0_20911684_15934.cpp:13:5: error: stray '\' in program
0_0_20911684_15934.cpp:13:5: error: stray '\241' in program
0_0_20911684_15934.cpp:13:5: error: stray '\261' in program
0_0_20911684_15934.cpp: In function 'int main()':
0_0_20911684_15934.cpp:11:17: error: expected primary-expression before '%' token
   while(scanf(“%I64d %I64d”,&n,&m)!=EOF&&(n||m)){
                 ^
0_0_20911684_15934.cpp:11:18: error: 'I64d' was not declared in this scope
   while(scanf(“%I64d %I64d”,&n,&m)!=EOF&&(n||m)){
                  ^
0_0_20911684_15934.cpp:13:14: error: expected primary-expression before '%' token
     printf(“%I64d\n”,f(n,m));}
              ^