0_0_18853522_16407.cpp: In function 'int main()':
0_0_18853522_16407.cpp:5:20: error: 'scanf' was not declared in this scope
while(scanf("%d",&a)!=EOF)
^
0_0_18853522_16407.cpp:5:23: error: 'EOF' was not declared in this scope
while(scanf("%d",&a)!=EOF)
^
0_0_18853522_16407.cpp:12:21: error: 'printf' was not declared in this scope
printf("%.0lf\n",sum);
^
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