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  1. #include <stdio.h>
  2. int main()
  3. {
  4. unsigned long long n;
  5. scanf("%llu", &n);
  6. printf("%llu", n);
  7. }
Success #stdin #stdout 0s 4508KB
stdin
1000000000000000000000000000000000000000
stdout
18446744073709551615