0_0_15153183_3114.cpp: In function 'int main()':
0_0_15153183_3114.cpp:5:48: error: 'c' was not declared in this scope
while(~scanf("%lld %lld/n%lld %lld",&a,&b,&c,&d))
^
0_0_15153183_3114.cpp:5:51: error: 'd' was not declared in this scope
while(~scanf("%lld %lld/n%lld %lld",&a,&b,&c,&d))
^
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