foo.c: In function 'main':
foo.c:15:26: warning: conversion lacks type at end of format [-Wformat=]
   15 |                 scanf("%ll%ll",&a[i],&b[i]);
      |                          ^
foo.c:15:29: warning: conversion lacks type at end of format [-Wformat=]
   15 |                 scanf("%ll%ll",&a[i],&b[i]);
      |                             ^
foo.c:15:23: warning: too many arguments for format [-Wformat-extra-args]
   15 |                 scanf("%ll%ll",&a[i],&b[i]);
      |                       ^~~~~~~~

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