#include <stdio.h> int main() {int i,j,upp,low,temp; char text[8][3]; upp=low=0; for(i=0;i<8;i++) {printf("please input line %d: \n",i+1); gets(text[i]); for(j=0;j<8&amp;&amp;text[i][j]!='\0';j++); {if(text[i][j]>='A'&amp;&amp; text[i][j]<='Z') upp++; else if(text[i][j]>='a' &amp;...