#include int main ( void ){__int64 a,b;while ( scanf ( "%I64X %I64X",&a,&b ) = EOF ){b += a;if ( b < 0 ){b = -b;a = '-';}elsea = 0;if ( a )putchar ( a );printf ( "%I64X\n",b );}return 0;}b += a;if ( b < 0 ){b = -b;a = '-';}elsea = 0;if ( a )putchar (
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xRMO@+ K7M