0_0_26637128_31865.cpp:3:11: error: '::main' must return 'int'
void main(){
^
0_0_26637128_31865.cpp: In function 'int main()':
0_0_26637128_31865.cpp:5:17: error: expected ')' before ';' token
while(cin>>a>>b;){
^
0_0_26637128_31865.cpp:5:18: error: expected primary-expression before ')' token
while(cin>>a>>b;){
^
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