0_0_34405034_11852.cpp: In function 'int main()':
0_0_34405034_11852.cpp:4:25: error: 'scanf' was not declared in this scope
while(scanf("%d%d",&a,&b)!)
^
0_0_34405034_11852.cpp:4:26: error: expected ')' before '!' token
while(scanf("%d%d",&a,&b)!)
^
0_0_34405034_11852.cpp:4:27: error: expected primary-expression before ')' token
while(scanf("%d%d",&a,&b)!)
^
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