0_0_37100047_1516.cpp: In function 'int main()':
0_0_37100047_1516.cpp:4:26: error: 'scanf' was not declared in this scope
while((scanf("%d%d",&a,&b))!=EOF){
^
0_0_37100047_1516.cpp:4:30: error: 'EOF' was not declared in this scope
while((scanf("%d%d",&a,&b))!=EOF){
^
0_0_37100047_1516.cpp:5:18: error: 'printf' was not declared in this scope
printf("%d\n",a+b);
^
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