0_0_24010835_9514.cpp:15:2: error: stray '\243' in program
while(scanf("%d%d",&m,&n)!=EOF&&m!=-1&&n!=-1)
^
0_0_24010835_9514.cpp:15:2: error: stray '\241' in program
0_0_24010835_9514.cpp: In function 'int main()':
0_0_24010835_9514.cpp:15:29: error: lvalue required as left operand of assignment
while(scanf("%d%d",&m,&n)!=EOF&&m!=-1&&n!=-1)
^
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