t=1 2 3 4 5 6 7 8
t:=$t $t
t:=$t $t
i=$(STDIN)
$(foreach d,0 1 2 3 4 5 6 7 8 9,$(eval i:=$$(subst $d, $d,$$i)))$(foreach p,$t,$(info $(if $(findstring $(word 2,$i),$(word 3,$i)),$(word 3,$i),$(word 4,$i)))$(eval i:=$$(wordlist 7,999,$$i)))