diff --git a/main.c b/main.c
index 70e9030..6cd1737 100644
--- a/main.c
+++ b/main.c
@@ -1,14 +1,13 @@
-main() {
+main(r) {
   for (;;) {
-    char i[99];
-    int r = 0;
+    char i[99], *t, *p;
+    r = 0;
     scanf("%s", i);
-    char *t = strtok(i, "+");
+    t = strtok(i, "+");
     while (t) {
-      char *p = t;
+      p = t;
       for (;*p;p++) {
-        if (!isdigit(*p))
-          exit(1);
+        isdigit(*p)?:exit(1);
       }
       r += atoi(t);
       t = strtok(0, "+");
diff --git a/min.c b/min.c
index 15d8b40..97a2e66 100644
--- a/min.c
+++ b/min.c
@@ -1 +1 @@
-main(){for(;;){char i[99];int r=0;scanf("%s",i);char*t=strtok(i,"+");while(t){char*p=t;for(;*p;p++){if(!isdigit(*p))exit(1);}r+=atoi(t);t=strtok(0,"+");}printf("%d\n",r);}}
\ No newline at end of file
+main(r){for(;;){char i[99],*t,*p;r=0;scanf("%s",i);t=strtok(i,"+");while(t){p=t;for(;*p;p++){isdigit(*p)?:exit(1);}r+=atoi(t);t=strtok(0,"+");}printf("%d\n",r);}}
\ No newline at end of file