78-31= 5+42= 88-6= 53-37= 60-6=
63-30= 28-27= 83-59= 92-23= 2+58=
80-11= 30-5= 41-28= 65-17= 64-21=
59+9= 91-27= 38-29= 64-63= 57-10=
68-51= 47+36= 27+6= 37+49= 48-26=
55-16= 66-51= 11+79= 76-60= 22-2=
11+34= 54-1= 83-55= 20+68= 36-15=
76-41= 50-21= 59-10= 88-28= 68-28=
9-4= 80-30= 49+26= 5+49= 93-34=
9+64= 63-35= 48-22= 14-3= 73-68=
50-34= 70+18= 82-55= 43+51= 30-16=
23+59= 79-17= 96-21= 7+80= 47+12=
18-5= 91-40= 9+64= 2+44= 70-42=
28+36= 95-13= 35-11= 8+44= 55-50=
38-22= 29+51= 97-52= 70-7= 71-50=
33-23= 52-6= 81-33= 81-68= 96-80=
41+2= 17+51= 11+28= 85-50= 78-22=
88-24= 39-38= 26-18= 1+75= 28+71=
42-8= 60-16= 94-25= 99-64= 91-58=
87+8= 76-25= 40+53= 59-21= 91-24=
输出格式样本