#! /bin/sh
# alternative solver, by Vlado

read COUNT

for C in `seq 1 $COUNT`; do
	read EMPTY
	read A PLUS B EQ C
	
	if `echo "$A" | grep "machula" > /dev/null`; then echo "`echo \"$C - $B\" | bc -q` + $B = $C"; else
	if `echo "$B" | grep "machula" > /dev/null`; then echo "$A + `echo \"$C - $A\" | bc -q` = $C"; else
	if `echo "$C" | grep "machula" > /dev/null`; then echo "$A + $B = `echo \"$A + $B\" | bc -q`"; fi; fi; fi
done