0_0_34193294_19808.cpp: In function 'int main()':
0_0_34193294_19808.cpp:3:26: error: 'scanf' was not declared in this scope
while(scanf("%d%d",&x,&y)){
^
0_0_34193294_19808.cpp:4:18: error: 'printf' was not declared in this scope
printf("%d",x+y);
^
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